Re: [PATCH v2] isdnloop: fix and simplify isdnloop_init()

From: David Miller
Date: Fri Aug 03 2012 - 04:51:24 EST


From: Fengguang Wu <fengguang.wu@xxxxxxxxx>
Date: Fri, 3 Aug 2012 15:32:40 +0800

> On Thu, Aug 02, 2012 at 04:21:56PM -0700, David Miller wrote:
>> From: Fengguang Wu <fengguang.wu@xxxxxxxxx>
>> Date: Thu, 2 Aug 2012 19:05:43 +0800
>>
>> > Fix a buffer overflow bug by removing the revision transform code.
>> >
>> > [ 22.016214] isdnloop-ISDN-driver Rev 1.11.6.7
>> > [ 22.097508] isdnloop: (loop0) virtual card added
>> > [ 22.174400] Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: ffffffff83244972
>> > [ 22.174400]
>> > [ 22.436157] Pid: 1, comm: swapper Not tainted 3.5.0-bisect-00018-gfa8bbb1-dirty #129
>> > [ 22.624071] Call Trace:
>> > [ 22.720558] [<ffffffff832448c3>] ? CallcNew+0x56/0x56
>> > [ 22.815248] [<ffffffff8222b623>] panic+0x110/0x329
>> > [ 22.914330] [<ffffffff83244972>] ? isdnloop_init+0xaf/0xb1
>> > [ 23.014800] [<ffffffff832448c3>] ? CallcNew+0x56/0x56
>> > [ 23.090763] [<ffffffff8108e24b>] __stack_chk_fail+0x2b/0x30
>> > [ 23.185748] [<ffffffff83244972>] isdnloop_init+0xaf/0xb1
>> >
>> > Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
>>
>> The reason the "$Revision ..." prefix is there is so that automated
>> version control tools will change the string automatically when code
>> is committed in CVS.
>>
>> In the GIT era this revision style is obsolete.
>>
>> Therefore you might as well just delete this crap altogether.
>
> OK. The below updated version will simply print the hard coded
> revision number as it's unlikely to change any more.

This is worse, I said delete this crap altogether.
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